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首页> 外文期刊>Zootaxa >Two new species of Onthophagus (Coleoptera: Scarabaeidae) from Indochina, with a discussion of some problems with the classification of Serrophorus and similar subgenera
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Two new species of Onthophagus (Coleoptera: Scarabaeidae) from Indochina, with a discussion of some problems with the classification of Serrophorus and similar subgenera

机译：来自印度支那的两个新食虫（Onthophagus）（鞘翅目：Scarabaeidae），并讨论了蛇纹藻和类似亚属的分类中的一些问题

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摘要

Two new species of Onthophagus Latreille, 1802 are described from Indochina: O. (Sunenaga) streltsovi sp. n. and O. (Sinonthophagus) nampatensis sp. n. Some problems with the current systematics of Onthophagus, especially with respect to the subgeneraSerrophorus, Sunenaga and Macronthophagus are discussed. The globally distributed genus Onthophagus Latreille, 1802, which includes about 2000 species, is a mega-diverse group of scarab beetles. The diversity of this genus in the Oriental biogeographicregion is very rich, second only to the diversity of the Afrotropical region. Despite the increasing number of described species during recent years, the Oriental Onthophagus are still poorly studied. In this paper, two new species of Onthophagus are described. One of the new species, O. streltsovi, has a combination of morphological characters that indicates its position in either the subgenus Serrophorus Balthasar, 1963 or Sunenaga Ochi, 2003 but cannot be unequivocally placed in either based on the currently accepted taxonomic definitions of these subgenera. Tentatively, this species is placed in the subgenus Sunenaga, but the problems associated with this decision are discussed at length. These problems stem from the fact that the current subgeneric classification of the genus seems to be poorly developed and sometimes artificial, not monophyly based. The majority of specimens used for the descriptions of the new species were collected by one of us (S.T.) in Laos in 2007-2008.
机译：印度支那描述了两个新的Onthophagus Latreille物种1802：O.（Sunenaga）streltsovi sp.。 。和O.（Sinonthophagus）nampatensis sp.。 。讨论了当前食虫的系统学中的一些问题，特别是关于Serrophorus，Sunenaga和Macronthophagus属。 1802年全球分布的Onthophagus Latreille属包括大约2000种物种，是一个巨型多样的圣甲虫。东方生物地理区域中该属的多样性非常丰富，仅次于非洲地区。尽管近年来所描述物种的数量不断增加，但东方对生食虫的研究仍然很少。在本文中，描述了两个新的食虫物种。一种新的物种O.streltsovi具有形态特征的组合，表明其在Serrophorus Balthasar亚属（1963年）或Sunenaga Ochi（2003年）中的位置，但不能根据当前公认的这些亚类的分类明确地放置在这两个物种中。暂定将该物种置于Sunenaga属下，但详细讨论与该决定相关的问题。这些问题源于一个事实，即该属的当前亚属分类似乎发展较差，有时是人为的，而不是基于单义的。我们其中一位（S.T.）在2007-2008年间收集了用于描述新物种的大部分标本。

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